Flapper flush valve for toilet tanks



FIG. 1 is a front perspective view of a flapper flush valve for toilet tanks, showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is an enlarged front perspective view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a rear elevational view thereof;

FIG. 9 is a front elevational view thereof; and

FIG. 10 is a cross sectional view taken on line 10--10 of FIG. 4.

The vertical stem has been fragmentarily shown in FIGS. 3 and 6 through 10 for convenience of illustration. 

The ornamental design for flapper flush valve for toilet tanks, substantially as shown and described. 